new study out this morning about the dangers of bouncy houses. That backyard birthday party favorite is also home to more than 2,000 injuries each week. Bazi kanat is here. To examine how many kids and how those kids are getting injured in inflatable bouncers. Oh, my gosh. Reporter: Watch as this inflatable slide goes airborne. There's children inside, then crashes down on a crowd. I couldn't even get up. I fell so hard. Reporter:13 people were injured. Including children. The most serious cases typically from bounce houses that weren't tied down. Take a look at this house that flipped through the strong winds and wraps around a pole. It's just the kind of startling videos, the authors of a new report about these inflatable amusements want parents to consider. Researchers say from 1990 to 2010, more than 64,000 children were sent to the e.R. Due to injuries of these air-filled playhouses. Last year, the study, the average of 31 children were hurt each day. Most of the injuries came from children falling down or running into each other, resulting most often in broken bones and sprains to the arms and legs. But there are other areas of concern. They did see that 7% of the children had concussions. And we really worry about head injuries. In particular, in young children. Reporter: The study, just out this morning, suggests better design may prevent injuries. And says there should be better guidelines for using them safely. It's obviously important to make sure that bouncy houses are properly tied down. One other thing that parents can do, make sure kids of the same size are in the bouncy house at the same time. The study is published in the journal of pediatrics. Thanks very much. Now, to the rolling stones, strutting on stage to kick off

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